Brown tabs Ash to start at QB for Alamo Bowl

Kin Man Hui/Express-News

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Texas Longhorns' quarterback David Ash (center) attempts a throw over Oklahoma Sooners' Casey Walker (53) and Corey Nelson (07) in the second half at the Red River Rivalry at the Cotton Bowl in Dallas on Saturday, Oct. 13, 2012. The Sooners defeated the Longhorns 63-21.

Texas Longhorns' quarterback David Ash (center) attempts a throw over Oklahoma Sooners' Casey Walker (53) and Corey Nelson (07) in the second half at the Red River Rivalry at the Cotton Bowl in Dallas on Saturday, Oct. 13, 2012. The Sooners defeated the Longhorns 63-21.